/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   minishell.h                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/02 13:50:44 by narnaud           #+#    #+#             */
/*   Updated: 2022/05/03 11:39:52 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#ifndef MINISHELL_H
# define MINISHELL_H
# define PIPE_MAX_SIZE 8192
# define PATHS_MAX_SIZE 126
# define PROMPT_PREFIX 0
# define DEBUG 1 

# include "libft/libft.h"
# include <fcntl.h>
# include <stdio.h>
# include <stdlib.h>
# include <readline/readline.h>
# include <readline/history.h>
# include <sys/types.h>
# include <sys/wait.h>
# include <signal.h>
# include <unistd.h>
# include <dirent.h>
# include <errno.h>
# include <termios.h>

char	**g_env;

// ----------------------------------Utils.c

void	halt(int ret_code);
int		is_empty(char *line);
int		init_file(char	*filename, int	mode);

// ----------------------------------Piper.c
typedef struct	s_env
{
	int	null;
}	t_env;

typedef	struct	s_command
{
	char				**argv;
	char				**envp;
	int					argc;
	int					fd[2];
	int					input;
	int					output;
	char				*heredoc;
	struct s_command	*next;
	struct s_command	*prev;
}	t_command;


// ----------------------------------Parser.c

typedef enum e_type
{
	WORD,
	PIPE,
	OUT,
	ADD,
	IN,
	HD,
}	t_type;

typedef struct s_token
{
	char			*value;
	t_type			type;
	struct s_token	*next;
}	t_token;

size_t	count_arguments(t_token *tok);
void	update_redir(t_command *cmd, t_token *tok);

// ----------------------------------Lexer.c

typedef enum e_state
{
	OLD_ST,
	ROOT_ST,
	S_QUOTE_ST,
	D_QUOTE_ST,
}	t_state;

typedef struct s_lex
{
	t_state		state;
	t_type		type;
	t_type		next_type;
	t_token		*tokens;
	int			n_elem;
}	t_lexer;

int	create_token(t_lexer *lex, char str[]);
int	check_register(t_lexer *lex, char **line, char *tmp);
int	replace_var(char **line, char *tmp, int tmp_i);
int	check_state(t_lexer *lex, char **line);

#endif